Time weighted average twa - Study guides, Class notes & Summaries

PPb parts per billion PEL permissible exposure limits: developed by OSHA to indicate the max airborne concentration of a contaminant to which an employee may be exposed over the duration specified by the type of PEL. Ug microgram 30 ug The level of action Hud recommends temporary relocation of residence for jobs lasting more than? 5 conservative days When dust and debris spread beyond blank feet follow high dust methods 6 feet Post warning signs on the building and at a blank perimeter around bu...

CWB Level II Actual Tested Exam Questions Mod 1- 22 Answered Correctly | Latest Update What is the term used to describe the following condition of lost corrosion resistance? "When certain stainless steels are heated between 500-850° C, carbides form at the grain boundaries and cause a local depletion of chromium." (A) Oxidization (B) Increased toughness (C) Solution heat treatment (D) Sensitization - ANSWER (D) Sensitization Note: Also known as "carbide precipitation" -- C...

Asbestos Questions and Answers Already Graded A The most common asbestos mineral is Chrysotil The most hazardous common asbestos mineral is Crocidolite The least hazardous asbestos mineral Chrysolite Does asbestos readily dissolved in No Does asbestos remain strong even when wrapped on a hot Yes Does asbestos improve properties of mastics and Plaster's Yes Does asbestos results break down by biological agents Yes There's asbestos conduct electricity No Does asbestos have Crystaline pro...

The simplest method for accurately measuring piping or tubing prior to assembly is the _____. - ANS Shoulder to shoulder method The colors of the conductors of a type j thermocouple are typically? - ANS White and red If a persons heart is out of rhythm due to an electrical shock, the solution is to __________ - ANS Have a qualified person use emergency defibrillation eqiupment One mA is a unit of measure for current equal to _______ - ANS .001 amperes How many more ti...

CWB LEVEL II EXAM QUESTIONS WITH COMPLETE VERIFIED ANSWERS ALREADY PASSED What is the term used to describe the following condition of lost corrosion resistance? "When certain stainless steels are heated between 500-850° C, carbides form at the grain boundaries and cause a local depletion of chromium." (A) Oxidization (B) Increased toughness (C) Solution heat treatment (D) Sensitization (D) Sensitization Note: Also known as "carbide precipitation" -- Chromium binds to carbid...

CWB Level II Exam Questions and Correct Answers What is the Canadian Standard for safety in welding? - Answer-CSA W117.2 What is the typical three-phase input voltage in most Canadian welding shops? - Answer-600V True or False: The cable from the workpiece back to the welding machine is called the "ground lead". - Answer-False. The correct term is the "work lead". What is the type of radiation that can damage living cells? - Answer-Ionizing Name two examples of ionizing radiatio...

CAOHC QUESTIONS AND ANSWERS 100% CORRECT OSHA TREANING REQUIREMENTS MANDATORY PROGRAM FOR EMPLYEES WITH NOISE EXPOSURE +85DBA/ EMPLOYER MUST ENSURE PARTICIPATION OSHA REQUIREMENT PERSONAL HEARING PROTECTORS ATTENUATION (NRR CONSEPT AND CALCULATION) AUDIOMETRICS TESTING PURPOSES, EFFECTS OF NOISE HEARING IDEALLY TRAINING SHOULD COMPANY SPECIFIC-SHOWCASING EMPLOYEE AND WORK AREA RELEVANT, APPLICABLE, CURRENT, ENGANING,DIFERRENT FROM LAST YEARIS TO MOTIVATE EMPLOYEE TO GHANGE B...

HazMat Tech 1 (Terms) Questions and Answers 100% Pass Solubility - Correct Answer ️️ -The ability of a substance to form a solution with water. Can be measured. Solution - Correct Answer ️️ -A mixture in which all of the ingredients are completely dissolved. Miscibility - Correct Answer ️️ -The tendency or ability of two or more liquids to form a uniform blend/dissolve in each other. Compound, Mixture - Correct Answer ️️ -Seperate elements that bond together, they have a...

CWB Level II Exam 2024/2025 (100%Verified Answers) Latest Update. What is the term used to describe the following condition of lost corrosion resistance? "When certain stainless steels are heated between 500-850° C, carbides form at the grain boundaries and cause a local depletion of chromium." (A) Oxidization (B) Increased toughness (C) Solution heat treatment (D) Sensitization - Correct Answer-(D) Sensitization Note: Also known as "carbide precipitation" -- Chromium binds to carbi...

Permissible Exposure Limit (PEL) - the maximum legal limits established by OSHA for regulated substances. These are based on employee exposure that is time weighted over an 8 hour work shift. When these limits are exceeded, employers must take proper steps to reduce employee exposure. For formaldehyde, the PEL is .75 ppm. Immediately Dangerous to Life and Health (IDLH) - Any atmosphere that poses an immediate hazard to life or produces immediate irreversible, debilitating effects on health....